---
- name: Verify
  hosts: all
  gather_facts: false
  any_errors_fatal: true

  tasks:
    - name: "Attach the file to a loop device"
      ansible.builtin.command: losetup /dev/loop3 /tmp/test_file
      register: loop_device
      changed_when: loop_device.rc != 0

    - name: "Verify the filesystem type"
      ansible.builtin.command: blkid /dev/loop3
      register: blkid_output
      changed_when: blkid_output.rc != 0

    - name: "Ensure filesystem is ext3"
      ansible.builtin.assert:
        that:
          - "'TYPE=\"ext3\"' in blkid_output.stdout"

    - name: "Explore stdout"
      ansible.builtin.debug:
        var: blkid_output.stdout